Home / 49,766.40-68,675.04-30,903.12

Finding the Fourth Proportional to 49,766.40, 68,675.04 and 30,903.12

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Solution

The fourth proportional to 49,766.40, 68,675.04 and 30,903.12 is: 42,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,766.40 : 68,675.04 = 30,903.12 : x
  2. Step 2: Convert to fraction form
    49,766.40/68,675.04 = 30,903.12/x
  3. Step 3: Cross multiply
    49,766.40x = 68,675.04 × 30,903.12
  4. Step 4: Simplify right side
    49,766.40x = 2,122,273,002.12
  5. Step 5: Solve for x
    x = 2,122,273,002.12/49,766.40
  6. Step 6: Final answer
    x = 42,644.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.